| RUIMA MACHINERY CO., LIMITED | Private company limited by shares | Live |
| RUIMA HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| ITALY RUIMA HEATING TECHNOLOGY EQUIPMENT (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Live |
| RUIMA NETWORK TECHNOLOGY LIMITED | | Live |
| RUIMAKE TRADE CO., LIMITED | Private company limited by shares | Live |
| Nanjing Ruiman Industrial Co., Limited | Private company limited by shares | Dissolved |
| Ruiman Technology Company Limited | Private company limited by shares | Live |
| HK RUIMANTANG CULTURAL DISSEMINATION LIMITED | Private company limited by shares | Dissolved |
| HK RUIMANTANG CULTURAL DISSEMINATION LIMITED | | Live |
| RUIMAOYING CO., LIMITED | Private company limited by shares | Live |
| Ruimat International Co., Limited | Private company limited by shares | Live |
| Hong Kong Ruimat International Trade Limited | | Live |